Improving the theoretical prediction for the $B_s-bar{B}_s$ width difference: matrix elements of next-to-leading order $Delta B = 2$ operators

Improving the theoretical prediction for the $B_s-bar{B}_s$ width difference: matrix elements of next-to-leading order $Delta B = 2$ operators

Author(s): C. Davies, J. Harrison, G P Lepage, C Monahan, J. Shigemitsu, and M. Wingate

Preprint Number: IPPP/17/91